involution

特殊用法age involution1.■年老退缩2.■年龄退缩central involution1.■中心对合cyclic involution1.■循环对合elliptic involution1.■椭性对合equiangular involution1.■等角对合focal involution1.■焦点对合hyperbolic involution1.■双曲对合irrational involution1.■无理对合line involution1.■线束对合linear involution1.■线性对合natural involution1.■自然对合orthogonal involution1.■正交对合point involution1.■点列对合rational involution1.■有理对合skew involution1.■双轴对合symmetric involution1.■对称对合involution of high order1.■高阶对合